Photographic camera



Sept. 8; 1936.

L. GOLDHAMMER 2,053,867

PHOTOGRAPHI C CAMERA Filed Feb 6, 1935 INVENTOR .22 e0 GaZd/aammer ATTORNEJS Patented Sept. 8, 1936 UNITED STATES PATENT-YOFFICEV PHOTOGRAPHIC CAMERA Leo Goldhammer, Munich, Germany, asslgnor to Agfa Ansco Corporation, Binghamton, N. Y., a corporation of New York ApplicatiomFebruary 6, 1935, Serial No. 5,198 In Germany February I, 1934 3 Claims. (Cl. 95-39) My present invention relates to photographic been broken away for the sake of clarity. cameras. The shutter housing I and the objective 2 are One of its objects is'to provide a camera with pp t d by the g e members 3 and 4. The a device for an improved security against the toggle e ber in t e Vicinity f the Objective entrance of light. Further objects will be seen are p v d in known m n r with teeth 3a and 5 from the detailed specification following herea r sp ct y in rd a t toggle m mbers after. Reference is made to the accompanying y e uniformly When the Camera is Opened drawing, in whi hand closed. One of these teeth 3a is provided Fig. 1 represents a side view of a bellows camwith a pr j i n 5 located in the range 0 veera having a lens-panel extended and retracted ment f a p 5 formed n the l h x in 10 by means of toggle members and fitted with the p e he iightrexelliding Plate y be 1- new light-excluding plate, ranged in front, behind or in the shutter casing.

Fig. 2 represents an end view of th camera i If it is disposed in front of the objective it at the the position of readlnessto take a photograph, same time serves to protect the front lens from and dust. As shown in Fig. 3, a spring 8 tends to 15 Fig. 3 represents an end view of the camera draw the light-excluding plate 1 into the path with the lens panel in the retracted position. of the light rays nt r t je tive. Now if The constantly increasing sensitivity of phothe camera is brought into the position of readitographic films necessitates the provision of new Hess, the Projection 5 presses the p 5 and means for making the camera absolutely lighttherefore the lightn Pla e 1 to One Side, 20

tight. It has been found, for instance, that so that the came a s r y for taking p apart from the light which enters by the red grap (See Figs- 1 nd 2)- window, the protection against entrance of light What I claim is: by the plates of the sector shutter, which only -1. In a photographic camera in combination, a rest lightly on one another, is not sufiicient in casing, an Objective bo rd, toggle members for 25 the case of highly sensitive photographic mateconnecting said objective board with said casrial. Diffuse light penetrates into all cameras not ing, an objective mounted on said objective board, provided with a base board which, in the nonmeans adapted to be brought in the path of the operative position of the camera, is located in light rays projecting from said objective towards front of the objective, nor with a protective covsaid casing for screening them off, and means 30 er, and the next photograph is fogged by preco-operating with said toggle members-for reexposure. In order to avoid this a protective moving said screening means from the path of cover may be placed, over the objective. Fresaid light rays on opening the camera and insertquently, however, owing to forgetfulness, the ing said screening means into the path of the protective cover, when such is provided is not light rays on folding the camera. 5 removed before the photograph is taken, or is 2. In a photographic camera in combination, not placed on the objective after the photograph a casing, an objective board, toggle members for is taken. Moreover, a protective cover is easily connecting said objective board with said casing, lost} thus up to the present there has been no an objective mounted on said objective board, a satisfactory means for excluding this difiuse plate adapted to be brought in the path of the 4 light. light rays projecting from said objective towards According to the invention a light-excluding saidcasing for screening them off, and means plate is arranged in the shutter or in the casing co-operating with said toggle members for re- -of the camera and this plate is so arranged as moving said plate from the path of said light rays to come into the path of the light rays as soon on opening the camera and inserting said plate 45 as the objective is taken out of the photographinto the path of the light rays on folding the ing position. camera.

The covering plate thus provided may be actu- 3. In a photographic camera in combination, ated, for example, by the front ends of the cama casing, an objective board, toggle members for era toggle members which are provided for the connecting said objective board with said cas- 50 purpose with a stop located in the range of piving, an objective mounted on said objective board, otal movement of the light-excluding plate. a plate rotatably mounted on said objective A construction according to the invention will board adapted to be brought in the path of the be described with reference to the accompanylight rays projecting from said objective towards ing drawing in which part of the lens panel has said casing for screening them 013., a spring hav- 55 2 i eoasee'? 1213 one of its ends attached to said objective teeth co-opemt1ng' so that on opening said cemboercl end the other to said plate so that it draws ere. said plate ls removed from the path of the said plate into the path of the light rays, teeth light rays and on folding the camera is inserted provided on said toggle members, a stop providin the path of the light rays.

5 ed on said plate, the teeth of one of said toggle 5 members 611888 8 5816. st0p,,sald stop and said LEO comm. 

